Physics, asked by FarheenFaiyaz, 7 months ago

if the random error in the arithmetic mean of 50 observations is alpha,then the random error in the arithmetic mean of 150 observations would be?
1) alpha
2) 3alpha
3) alpha/3
4)2alpha

Answers

Answered by adil456700

0

Answer:

3alpha

I hope it will help u

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